SPC is a tool that enables us to monitor the variation in a process and thus discover what it is telling us, thereby signalling when and where action is required to maintain quality.
Organisations that achieve this will establish competitive advantage over those organisation that are reactive and depend on complaints and problems to prod them into action to improve quality.
When deciding how to apply SPC within an organisation, however, you need to ensure that you:
Once the issues have been resolved, the appropriate application of SPC will allow an accurate picture of the process's performance to be built up, in the knowledge that you are monitoring the key performance indicators of the process.